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National Stock Number:
2805-00-429-4315
Federal Supply Class:
2805
National Item Identification Number:
004294315
Description:
VALVE,POPPET,ENGINE
Detail:
A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.
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Manufacturer Information:
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Techincal Specification:
| DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2190 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM | | CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER LENGTH | 0.0312 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 45.0 | | FSC APPLICATION DATA | GASOLINE ENGINE | | HEAD HEIGHT | 0.1875 INCHES NOMINAL | | HEAD STYLE | FLAT | | OUTSIDE DIAMETER | 1.6875 INCHES MINIMUM AND 1.7025 INCHES MAXIMUM | | METALLIC HARDNESS RATING | 46.0 MINIMUM ROCKWELL C AND 52.0 MAXIMUM ROCKWELL C TIP | | MINOR DIAMETER LENGTH | 0.1875 INCHES NOMINAL | | MINOR OUTSIDE DIAMETER | 0.2450 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM | | NECK RADIUS | 0.3750 INCHES NOMINAL | | SEAT ANGLE IN DEG | 44.5 SINGLE | | STEM DIAMETER | 0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM | | STEM LENGTH | 4.9844 INCHES NOMINAL | | STEM STYLE | TAPERED | | TAPER ANGLE IN DEG | 15.0 |
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